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Finding the Fourth Proportional to 950,368.80, 1,422,928.80 and 740,416.80

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Solution

The fourth proportional to 950,368.80, 1,422,928.80 and 740,416.80 is: 1,108,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,368.80 : 1,422,928.80 = 740,416.80 : x
  2. Step 2: Convert to fraction form
    950,368.80/1,422,928.80 = 740,416.80/x
  3. Step 3: Cross multiply
    950,368.80x = 1,422,928.80 × 740,416.80
  4. Step 4: Simplify right side
    950,368.80x = 1,053,560,388,723.84
  5. Step 5: Solve for x
    x = 1,053,560,388,723.84/950,368.80
  6. Step 6: Final answer
    x = 1,108,580.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.